[INFO] updating cached repository CollinValley/rust_practice [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/CollinValley/rust_practice [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/CollinValley/rust_practice" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CollinValley/rust_practice"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CollinValley/rust_practice'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/CollinValley/rust_practice" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CollinValley/rust_practice"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CollinValley/rust_practice'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e13912bf1c7e6b188dbf57b9a25f399b421816a2 [INFO] sha for GitHub repo CollinValley/rust_practice: e13912bf1c7e6b188dbf57b9a25f399b421816a2 [INFO] validating manifest of CollinValley/rust_practice on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of CollinValley/rust_practice on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing CollinValley/rust_practice [INFO] finished frobbing CollinValley/rust_practice [INFO] frobbed toml for CollinValley/rust_practice written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CollinValley/rust_practice/Cargo.toml [INFO] started frobbing CollinValley/rust_practice [INFO] finished frobbing CollinValley/rust_practice [INFO] frobbed toml for CollinValley/rust_practice written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CollinValley/rust_practice/Cargo.toml [INFO] crate CollinValley/rust_practice has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing CollinValley/rust_practice against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CollinValley/rust_practice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"` [INFO] [stdout] 981c91c27a83bc47addd28598970f582affd9639541ecd37e0d92f618a4591bd [INFO] running `"docker" "start" "-a" "981c91c27a83bc47addd28598970f582affd9639541ecd37e0d92f618a4591bd"` [INFO] [stderr] Compiling rust_practice v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/chapter_10.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | self.plural().trim_right_matches('s') [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Extrema` [INFO] [stderr] --> src/chapter_9.rs:157:1 [INFO] [stderr] | [INFO] [stderr] 157 | struct Extrema<'elt> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_extrema` [INFO] [stderr] --> src/chapter_9.rs:162:1 [INFO] [stderr] | [INFO] [stderr] 162 | fn find_extrema<'s>(slice: &'s [i32]) -> Extrema<'s> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `say_hello` [INFO] [stderr] --> src/chapter_11.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | fn say_hello(out: &mut Write) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `min` [INFO] [stderr] --> src/chapter_11.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | fn min(value1: T, value2: T) -> T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dot` [INFO] [stderr] --> src/chapter_11.rs:199:1 [INFO] [stderr] | [INFO] [stderr] 199 | / fn dot(v1: &[N], v2: &[N]) -> N [INFO] [stderr] 200 | | where N: Add + Mul + Default + Copy [INFO] [stderr] 201 | | { [INFO] [stderr] 202 | | let mut total = N::default(); //All numerical types default will equal 0 [INFO] [stderr] ... | [INFO] [stderr] 206 | | total [INFO] [stderr] 207 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `"docker" "inspect" "981c91c27a83bc47addd28598970f582affd9639541ecd37e0d92f618a4591bd"` [INFO] running `"docker" "rm" "-f" "981c91c27a83bc47addd28598970f582affd9639541ecd37e0d92f618a4591bd"` [INFO] [stdout] 981c91c27a83bc47addd28598970f582affd9639541ecd37e0d92f618a4591bd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CollinValley/rust_practice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 585ff40064be287c46d9c49fe72739b08149abfd971891c8a0e536e3ae02de33 [INFO] running `"docker" "start" "-a" "585ff40064be287c46d9c49fe72739b08149abfd971891c8a0e536e3ae02de33"` [INFO] [stderr] Compiling rust_practice v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/chapter_10.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | self.plural().trim_right_matches('s') [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.82s [INFO] running `"docker" "inspect" "585ff40064be287c46d9c49fe72739b08149abfd971891c8a0e536e3ae02de33"` [INFO] running `"docker" "rm" "-f" "585ff40064be287c46d9c49fe72739b08149abfd971891c8a0e536e3ae02de33"` [INFO] [stdout] 585ff40064be287c46d9c49fe72739b08149abfd971891c8a0e536e3ae02de33 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CollinValley/rust_practice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"` [INFO] [stdout] 806e7138f346312d14770d7eef9eb5306a31e51ac1de185660d22379e8b81d3c [INFO] running `"docker" "start" "-a" "806e7138f346312d14770d7eef9eb5306a31e51ac1de185660d22379e8b81d3c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_practice-521f4e4dd8b70ff3 [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test chapter_11::test_min ... ok [INFO] [stdout] test chapter_10::test_rough_time_to_english ... ok [INFO] [stdout] test chapter_10::test_timeunit ... ok [INFO] [stdout] test chapter_11::test_dot ... ok [INFO] [stdout] test chapter_10::test_generic_enums ... ok [INFO] [stdout] test chapter_10::test_add_and_search_binary_tree ... ok [INFO] [stdout] test chapter_11::test_say_hello ... ok [INFO] [stdout] test chapter_10::test_build_basic_tree ... ok [INFO] [stdout] test chapter_12::test_complex_add ... ok [INFO] [stdout] test chapter_12::test_complex_negation ... ok [INFO] [stdout] test chapter_12::test_eq ... ok [INFO] [stdout] test chapter_9::test_find_extrema ... ok [INFO] [stdout] test chapter_9::test_gqueue ... ok [INFO] [stdout] test chapter_9::test_queue ... ok [INFO] [stdout] test chapter_12::test_fmt_display ... ok [INFO] [stdout] test chapter_12::test_add_assign ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "806e7138f346312d14770d7eef9eb5306a31e51ac1de185660d22379e8b81d3c"` [INFO] running `"docker" "rm" "-f" "806e7138f346312d14770d7eef9eb5306a31e51ac1de185660d22379e8b81d3c"` [INFO] [stdout] 806e7138f346312d14770d7eef9eb5306a31e51ac1de185660d22379e8b81d3c